What is the potential difference across a resistor that dissipates 5.00 w of power and has a current of 5.0 a?

Which configuration would produce an electric current? a) rotate a coil of copper wire between two magnets. b) connect a wire between a copper and zinc strip sitting in a beaker of water. c) connect a wire to the (+) positive end of a battery and the other end to a light bulb. d) connect a wire to the negative end of a battery and the other end to a light bulb.

Awalk up the phase change graph worksheet

Explain why electric current cannot exist if a current doesn't have a voltage source.